1. Featured

Use appropriate round or long-hole sieve to remove straw, sediment, deflated grains and impurities; use dustpan to remove peel, residual leaves and light-weight dried deflated seeds.

2. Drying

The freshly harvested seeds need to be sunny and windless for drying, so that the moisture content is below the safe range. Natural drying can be used for drying the seeds. The picked seeds are placed on curtains or mats to spread and dry, and they are flipped once in a while, so as to accelerate the evaporation of water and achieve safe storage of water.

3. Storage

Store with pods or whole branches, bundle the harvested vegetable seeds into a bunch, hang them in a cool and ventilated place, pick and thresh when used; bag storage method, put the harvested and harvested vegetable seeds in kraft paper bags or cloth bags, and place them in dry and ventilated Place, take out when used; high-hang storage method, first dry the seeds to dryness, and then use gauze to sew into a small cloth bag, and hang under a ventilated and shaded roof, it is not easy to make the seeds wet and deteriorate; in low temperature, dry, vacuum conditions Under storage, it can be placed in a plastic paper bag with anti-corrosion coating or a pottery jar with a good seal. It can be lined with a small amount of quicklime, which can reduce humidity and supply seed oxygen.

4. Freeze before storage to prevent worms

Food pests generally cease to be active when the ambient temperature is 4 ° C-8 ° C, and are in a cold paralysis (hibernation) state at 1 ° C-4 ° C, and may die if they are below -4 ° C. Choose a cold and dry sunny day, around 5 pm, spread the grain on the field every 12 hours. Pile up and cover the grain before frosting at night to prevent moisture regain. Before sunrise the next day, enter the warehouse while it is cold, and then close the granary to keep the temperature low. The freezing time can be determined according to the temperature of the grain and the death of the pests. Generally, it will be frozen after 23 days of continuous storage, and the insecticidal effect is better. You can also open the doors and windows of the warehouse on a cold sunny day, ventilate and ventilate, turn the grain surface at the same time, or use mechanical ventilation to speed up the cooling. When the grain falls close to the lowest temperature outside, flatten the grain surface, seal the doors and windows, keep the temperature low, freeze the dead insects or suppress the pest activity.

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